公开(公告)号：US09507067B2

公开(公告)日：2016-11-29

申请号：US14638310

申请日：2015-03-04

Applicant: FUJIFILM Corporation

Inventor： Mayumi Nojiri ,  Nobutaka Fukagawa ,  Yu Naito ,  Naoya Shimoju ,  Aiko Yoshida

IPC: G02B5/30 ,  G02F1/1335

CPC classification number: G02B5/3025 ,  G02F1/133528

Abstract: A polarizing plate includes at least: a polarizer layer containing a polyvinyl alcohol-based film dyed with iodine; and one or more other layers except for the polarizer layer, in which the polarizer layer contains a compound which has polyiodide ion I5− reduction capability in iodide compound- and iodine-containing solutions, and at least one of the one or more other layers contain a compound which has polyiodide ion I5− formation capability in an iodide compound-containing solution.

Abstract translation: 偏振片至少包括：含有用碘染色的聚乙烯醇系膜的偏振片; 以及除了偏振片层之外的一个或多个其它层，其中偏振层包含在碘化合物和含碘溶液中具有多碘离子I5-还原能力的化合物，并且一个或多个其它层中的至少一个含有 在含碘化物的溶液中具有多碘离子I5形成能力的化合物。

公开(公告)号：US11370970B2

公开(公告)日：2022-06-28

申请号：US16991202

申请日：2020-08-12

Applicant: FUJIFILM Corporation

Inventor： Ayako Muramatsu ,  Ryo Satake ,  Mayumi Nojiri ,  Aiko Yoshida ,  Keita Takahashi

IPC: C09K19/38 ,  G02B5/30 ,  C09K19/34 ,  C09K19/04 ,  G02F1/1335 ,  H01L51/52 ,  G02F1/13363

Abstract: Provided are an optically anisotropic film which has excellent moisture-heat resistance and can have a reduction in the thickness, an optical film, a polarizing plate, and an image display device. The optically anisotropic film is obtained by polymerizing a polymerizable liquid crystal composition, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1): L1-SP1-(E3-A1)m-E1-G1-D1-Ar1-D2-G2-E2-(A2-E4)n-SP2-L2 and a polymerizable liquid crystal compound represented by Formula (2): L1-SP1-(E3-A1)m-E1-G1-D1-Ar2-D2-G2-E2-(A2-E4)n-SP2-L2, and the optically anisotropic film satisfies Formula (3): Re(450)/Re(550)

公开(公告)号：US10031264B2

公开(公告)日：2018-07-24

申请号：US15082702

申请日：2016-03-28

Applicant: FUJIFILM Corporation

Inventor： Nobutaka Fukagawa ,  Naoki Sano ,  Mayumi Nojiri ,  Aiko Yoshida ,  Naoya Shimoju

IPC: G02B1/14 ,  G02B5/30 ,  G02F1/1335

CPC classification number: G02B1/14 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2201/50

Abstract: A polarizing plate of the present invention includes polarizing plate protective film(s) on one or both sides of a polarizer, wherein the polarizing plate protective film contains a compound represented by general formula (I) or (II) described below, the polarizer contains iodine, and the content of the iodine within the polarizer is 4.0 wt % or greater.

公开(公告)号：US09718933B2

公开(公告)日：2017-08-01

申请号：US14988171

申请日：2016-01-05

Applicant: FUJIFILM Corporation

Inventor： Masaki Noro ,  Hiroshi Inada ,  Yoshinori Kanazawa ,  Aiko Yoshida ,  Yasukazu Kuwayama

IPC: G02B5/30 ,  C08J5/18 ,  C08K5/3462 ,  C08L1/10 ,  C08L1/12 ,  G02F1/1335 ,  G02B1/14 ,  G02B1/04

CPC classification number: C08J5/18 ,  C08J2301/10 ,  C08K5/3462 ,  C08L1/10 ,  C08L1/12 ,  G02B1/04 ,  G02B1/14 ,  G02B5/3033 ,  G02B5/305 ,  G02F1/133528 ,  Y10T428/105

Abstract: The invention is an optical film at least containing cellulose acylate and a compound having a structure denoted by General Formula (I) described below, and a polarizing plate and a liquid crystal display device employing the optical film. R1 and R3 represent a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, or an aryl group, and R5a and R5b represent an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, an aryl group, or a heterocyclic group. R1, R3, R5a, and R5b may have a substituent group.

公开(公告)号：US09618788B2

公开(公告)日：2017-04-11

申请号：US14633883

申请日：2015-02-27

Applicant: FUJIFILM Corporation

Inventor： Yu Naito ,  Nobutaka Fukagawa ,  Aiko Yoshida ,  Hideyuki Nishikawa ,  Masaki Noro

IPC: C09K19/00 ,  G02F1/1335 ,  C07D251/30

CPC classification number: G02F1/133528 ,  C07D251/30 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041

Abstract: An optical film, containing a cellulose acylate, and at least one compound represented by any of formulas (I) to (III): wherein, in formulas (I) to (III), R1 and R2 each independently represent a halogen atom, an alkyl, cycloalkyl, alkenyl, aryl, hydroxy, hydroxyamino, amino, alkylamino, arylamino, alkoxy, aryloxy, alkylthio, or arylthio group (however, R1 and R2 do not represent an amino, alkylamino, or arylamino group at the same time); R3 to R6 each independently represent a hydrogen atom, an alkyl, cycloalkyl, alkenyl, aryl, acyl, alkyl- or aryl-sulfonyl, alkyl- or aryl-sulfinyl, carbamoyl, sulfamoyl, alkoxycarbonyl, or aryloxycarbonyl group; R7 represents an alkyl, cycloalkyl, alkenyl, aryl, alkylamino, arylamino, alkoxy, aryloxy, or heterocyclic group; R8 represents an alkyl, cycloalkyl, alkenyl, aryl, or heterocyclic group; and R1 to R8 each may be further substituted with a substituent; and a polarizing plate and a liquid crystal display.

公开(公告)号：US09151883B2

公开(公告)日：2015-10-06

申请号：US14327193

申请日：2014-07-09

Applicant: FUJIFILM Corporation

Inventor： Nobutaka Fukagawa ,  Masato Nagura ,  Takayasu Yasuda ,  Takahiro Ohno ,  Satoshi Tanaka ,  Aiko Yamamoto ,  Aiko Yoshida ,  Shinya Watanabe

IPC: C09K19/00 ,  G02B5/30 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/18 ,  B32B27/30 ,  C08J5/18 ,  C08B3/22 ,  C08B15/00 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  C08K5/103 ,  C08K5/151 ,  C08K5/34

CPC classification number: G02B5/3083 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/18 ,  B32B27/30 ,  C08B3/22 ,  C08B15/005 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08K5/151 ,  C08K5/34 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041 ,  C08L67/02

Abstract: Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.

Abstract translation: 提供一种纤维素酰化物膜，其环境湿度依赖性延迟变化小，并且当粘附到偏振器并在高温和高湿度环境中使用时，对防止偏振元件劣化是有效的。 含有满足以下要求（A）至（C）的氢键化合物的纤维素酰化物膜和至少一种选自多元醇酯基疏水化剂，缩聚酯酯基疏水化剂和碳水化合物的疏水化剂 衍生物基疏水化剂：（A）该化合物在一个分子中具有氢键供体部分和氢键受体部分，（B）将化合物的分子量除以总数 化合物中的氢键供体数和氢键受体数为30〜65，（C）化合物中芳环结构的总数为1〜3。